Salary: £45,000 - 65,000 per year Requirements: Demonstrable hands-on experience with OpenCPI framework Strong C/C++ development in embedded or Linux environments Understanding of digital signal processing (DSP) principles Experience integrating FPGA-based platforms (e.g. Xilinx or Intel toolchains) Experience working within secure National Security or MOD environments Ability to troubleshoot complex integration and performance issues Experience working with SDR and RF signal processing systems Responsibilities: Design, develop and optimise OpenCPI components and applications for SIGINT and RF systems Integrate OpenCPI solutions onto FPGA-based and embedded SDR platforms Support system architecture, trade studies, and technical design decisions Ensure robust, scalable and reusable OpenCPI-based implementations Develop OpenCPI workers and containers in C/C++ and HDL (VHDL/Verilog where required) Integrate DSP chains into FPGA and embedded Linux environments Conduct trade-off analysis across performance, latency and resource utilisation Support hardware/software integration in secure lab and customer environments Define test plans aligned to customer requirements and acceptance criteria Develop automated test harnesses and regression test environments Identify defects, performance bottlenecks and integration risks early Provide clear reporting and evidence for assurance and accreditation processes Work closely with Delivery Managers to ensure effective transition from design to deployed capability Operate directly within customer-facing secure environments where required Maintain strong technical credibility with National Security stakeholders Highlight technical risks, dependencies and resourcing requirements early Technologies: Embedded FPGA Hardware Support Linux Security Verilog VHDL SAP More: We are a prominent entity in the Defence & Security sector, seeking a skilled Open CPI Engineer - DV Cleared to join our team in either Romsey or Gloucester. This contract role offers an opportunity to work on cutting-edge technology and solutions. Our team values innovation and technical expertise, and we are committed to providing a supportive environment for professional growth. Join us to play a key role in delivering critical capabilities to our clients. last updated 8 week of 2026